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Using the catalog

In this section we will explore the different ways by which you can interact with the catalog:

Prerequirements

  • Playground is installed
$ playground login
Login success

On default versions

By default, if no version is specified on any of the catalog commands, the latest version is assumed.

Listing existing applications

On of the first operation you may be interested in is to check which applications are available on the catalog. To explore the contents of the catalog use:

$ playground catalog list
APPLICATION                            NAME
napptive/aurora-files:latest           Aurora Files. Storage platform
napptive/drawio:14.3.0                 Drawio
napptive/jupyter:ubuntu-20.04          Jupyter
napptive/mysql:5.7                     Mysql
napptive/mysql-phpmyadmin:5.7          Mysql-PHPMyAdmin
napptive/nginx:1.20.0                  NGINX server
napptive/rstudio:4.0.4                 Rstudio
napptive/tensorflow:nightly-jupyter    Tensorflow
napptive/wordpress-mysql:5.7.0         Wordpress
...

Alternatively, you can limit the listing to a specified namespace with:

$ playground catalog <another_namespace>

APPLICATION                         NAME
<another_namespace>/mysql:latest    Mysql
<another_namespace>/mysql:v0.0.1    Mysql
...

Obtaining information about an application

Each application that is published provides metadata information about the application itself, plus an optional README.md that can clarify how to work with the application once deployed (e.g., which are the default passwords). To obtain information about a given application use:

$ playground catalog info napptive/drawio:14.3.0
APP_ID                    NAME
napptive/drawio:14.3.0    Drawio

DESCRIPTION
Free online diagrams software

README
# Draw.io

> diagrams.net (formerly draw.io) is free online diagram software. You can use it as a flowchart maker, network diagram software, to create UML online, as an ER diagram tool, to design database schema, to build BPMN online, as a circuit diagram maker, and more. diagrams.net can import .vsdx, Gliffy™ and Lucidchart™ files.

...

Deploying an application from the catalog

Deploying an application from the catalog is a convenient method to start using the playground without writing any code. Once you have identified the target application to be deployed, use:

$ playground catalog deploy napptive/drawio:14.3.0
STATUS     INFO
SUCCESS    application [drawio] deployed

CREATED
core.oam.dev/v1alpha2, Kind=Component "drawio" created
core.oam.dev/v1alpha2, Kind=ApplicationConfiguration "drawio" created

Uploading an application

Uploading application is quite simple, just execute:

playground catalog push myuser/appName:v1.0 /path/to/app
STATUS     INFO
SUCCESS    myuser/appName:v1.0 added to catalog

NOTE Your application must contain a metadata.yaml as describe in The application catalog help.

Downloading an application

To obtain a copy of the application, use:

$ playground catalog pull napptive/drawio:14.3.0
STATUS     INFO
SUCCESS    application saved on drawio.tgz

Removing an application

To remove an application use:

$ playground catalog remove myuser/appName:v1.0
STATUS     INFO
SUCCESS    myuser/appName:v1.0 removed from catalog

Getting catalog summary

If you want to know how many namespaces, applications and versions are in the catalog, execute:

$ playground catalog summary
NAMESPACES    APPLICATIONS    TAGS
2             10              11